B60/100
HIGH KNOB — Water Quality Report 2026
Serving 1,500 people · Virginia
Water Source
Groundwater
County
—
System ID
VA2187522
Violations
29
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.75 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2025 – February 28, 2025Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2025 – February 28, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About HIGH KNOB
Is HIGH KNOB water safe to drink?
HIGH KNOB water receives a grade of B (60/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HIGH KNOB detected?
2 contaminants were tested in HIGH KNOB's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does HIGH KNOB have any EPA violations?
Yes, HIGH KNOB has 29 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON.
How many people does HIGH KNOB serve?
HIGH KNOB serves approximately 1,500 people, Virginia.
What type of water does HIGH KNOB provide?
HIGH KNOB sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is VA2187522.
How does HIGH KNOB compare to other utilities in Virginia?
HIGH KNOB scores 60/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Virginia state page for a full comparison of water systems.